function nameLengthLimit(limit= 6, str) {
    if (!str) return false
    let chineseReg = new RegExp(/^[\u4e00-\u9fa5]{0,}$/, 'g')
    if (!chineseReg.test(str)) return false 
    if ( str.length <= limit) {
        return true
    }
    return false
}

function timeRecorder () {
    let t = null;
    t = setTimeout(time, 1000);//開始运行
    function time() {
        clearTimeout(t);//清除定时器
        let dt = new Date();
        let y = dt.getFullYear();
        let mt = dt.getMonth() + 1;
        let day = dt.getDate();
        let h = dt.getHours();//获取时
        let m = dt.getMinutes();//获取分
        let s = dt.getSeconds();//获取秒
        document.querySelector(".showTime").innerHTML = '当前时间：' + y + "年" + mt + "月" + day + "-" + h + "时" + m + "分" + s + "秒";
        t = setTimeout(time, 1000); //设定定时器，循环运行
    }
}

export default {
    nameLengthLimit,
    timeRecorder
} ;